摘要：
Is It A Tree? Time Limit:1000MS Memory Limit:10000KB 64bit IO Format:%I64d & %I64u Submit Status Practice POJ 1308 Is It A Tree? Submit Status Practic 阅读全文
摘要：
#include<iostream> #include<stdio.h> #include<algorithm> #include<math.h> using namespace std; int par[103]; struct Island { int x,y; } isl[103]; stru 阅读全文